Re: [jboss-dev-forums] [JBoss Microcontainer Development] - JBoss Reflect Performance Javassist vs Introspection

Kabir Khan wrote: I have done some performance measurements where I compare the times taken creating the following class, using javassist.bytecode.* and asm *public* *class* JavassistMethod1 *implements* JavassistMethod {   *public* Object invoke(Object target, Object[] args) *throws* Throwable   {           *return* Integer.valueOf(((SomeClass)target).someMethod(((Integer)args[0]).intValue(), (String)args[1])).intValue();   } } Which would be used to call the method:     *int* someMethod(*int* i, String); The basic flow for what I do for both approaches is the same, whereby I do the following lots of times to generate lots of similar classes: A) - Create class structure B) - Add default constructor with body to call super C) - Add invoke method C1) - Add invoke method body D) - Convert class structure from A) into byte[] E) - Define java.lang.Class by calling ClassLoader.defineClass() F) - Call Class.newInstance()